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Author Question: The speed of a 10-kHz sound wave in seawater is approximately 1 500 m/s. What is its wavelength in ... (Read 57 times)

karlynnae

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The speed of a 10-kHz sound wave in seawater is approximately 1 500 m/s. What is its wavelength in sea water?
 a. 5.0 cm
  b. 10 cm
  c. 15 cm
  d. 20 cm
  e. 29 cm

Question 2

The wavelength of light visible to the human eye is on the order of 5  10-7 m. If the speed of light in air is 3  108 m/s, find the frequency of the lightwave.
 a. 3  107 Hz
  b. 4  109 Hz
  c. 5  1011 Hz
  d. 6  1014 Hz
  e. 4  1015 Hz



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mistyjohnson

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Answer to Question 1

C

Answer to Question 2

D




karlynnae

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Reply 2 on: Jul 28, 2018
Excellent


upturnedfurball

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Reply 3 on: Yesterday
Great answer, keep it coming :)

 

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